Use our own patch command.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42703 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/perl.cfg

 [buildout]
 extends =
   gdbm.cfg
+  patch.cfg
 parts =
   perl
 
@@ -27,3 +28,5 @@ configure-command =
     -Dldflags="-L${gdbm:location}/lib -Wl,-rpath -Wl,${gdbm:location}/lib" \
     -Ui_db \
     -Dnoextensions=ODBM_File
+environment =
+  PATH=${patch:location}/bin:%(PATH)s